Pith Number

pith:OZGQGYQ5

pith:2026:OZGQGYQ5MW74MTYVO5TUPG6FUI

not attested not anchored not stored refs pending

SkillFab: An Agent-Native Skill Production Platform

Anjie Xu, Jingfan Chen, Leye Wang, Ruohan Xu, Yifeng Cai, Yi Li, Zhiyu Zhang, Zixing Wang

arxiv:2607.03780 v1 · 2026-07-04 · cs.SE · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZGQGYQ5MW74MTYVO5TUPG6FUI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-07T02:18:07.351611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

764d03621d65bfc64f157767479bc5a21abcdcad275a177a90d19c7f4c2806cf

Aliases

arxiv: 2607.03780 · arxiv_version: 2607.03780v1 · doi: 10.48550/arxiv.2607.03780 · pith_short_12: OZGQGYQ5MW74 · pith_short_16: OZGQGYQ5MW74MTYV · pith_short_8: OZGQGYQ5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OZGQGYQ5MW74MTYVO5TUPG6FUI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 764d03621d65bfc64f157767479bc5a21abcdcad275a177a90d19c7f4c2806cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ead42c57aa8723deb519c77a15621ba829d8a8b8a0ba7919d339ca591c8812c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-04T09:12:01Z",
    "title_canon_sha256": "e3019e359414e10958957d5c94f731b0f863f361a6903609680754c82ceae2a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03780",
    "kind": "arxiv",
    "version": 1
  }
}